Monographie des CHEYSOMÉLroES de l'Améeique. 



173 



thorax ante medium sensim rotundato-angustatus , remote, distincte, basi nonnihil for- 

 tius punctatus, lateribus, basi excepta, late stramineis. Scutellum Iseve. Elytra eburnea, 

 distincte seriatim punctata, vitta communi suturali latiuscula, utriusque macula trans- 

 versa humerali maculaque subrotundata majore paullo pone medium, margini laterali 

 appropinquata, nee non margine inflexo basi et pone medium nigris. Prostethium 

 utrimque stramineum. Pedes testacei. 



cf Segmento ventrali ultimo apice truncate. 



321. Chrysomela semistriata Fabr. 



Supra sti-aminea, subtus cum capite pedibusque picea, his dilutiori- 

 bus; prothorace plaga maxima basali nigro-picea ; elytris vitta angusta su- 

 tm-ali, fascia media lineisque longitudinalibus, ad fasciam interruptis, nigris. 

 Long. 11, Lat. 7 millim. 



Chrysomela semistriata Fabr. Syst. Ent. p. 96. 12. (1775). 



„ „ „ Spec. Ins. L p. 119. 19. (1781). 



„ „ „ Mant. Ins. L p. 69. 26. (1787). 



„ „ „ Ent. Syst. I p. 316. 43. (1792). 



„ „ „ Syst. Eleuth. L p. 433. 66. (1801). 



„ „ Oliv. Enc. metb. Ins. V. p. 696. 36 (1790). 



„ „ „ Entomol. V. p. 516. 17. PI. 2. fig. 



23. (1807). 



Patria: Brasilia. (Mus. Holm., Coli. Chevrolat) 



Statura prsecedentium. Ovalis, sat convexa, nitida, picea. Caput remote, di- 

 stincte punctulatum; palpis dilutioribus. Antennae testacese, articulis quinque ultimis 

 latitudini subsequilongis, clavam gracilem, minus distinctam, formantibus. Prothorax 

 elytris nonnihil angustior, antrorsum sensim nonnihil angustatus, dilute flayescens, 

 Isevis, plaga maxima basali, antrorsum ultra medium extensa, antice emarginata, 

 nigro-picea, remote, distincte punctata. Scutellum Iseve, nigrum. Elytra distincte 

 striato-punctata, sordide straminea, limbo margineque inflexo dilute flavescentibus, 

 vitta angusta suturali, fascia media lineisque compluribus longitudinalibus abbreviatis, 

 ad fasciam interruptis, nec non fascia media basique marginis inflexi nigris. Latera 

 prostethii auguste dilute flavescentia. 



322. Chrysomela segnis Stål. 



Nigro-picea; prothorace dilute flavescente, plaga magna basali nigra; 

 elytris stramineis, dUute flavescente-limbatis, striato-punctulatis, vitta sutu- 

 rali, fascia media, nec non marginis inflexi basi maculaque nigris; antennis 

 testaceis; tibiis tarsisque duute piceis. Long. 11, Lat 7 miUim. 



Patria: Rio Janeiro. (Mus. HeMngf., Holm.) 



G. semistriatœ simillima, elytrorum seriebus punctorum haud nigro-lineatis. 

 Ovalis, sat convexa, nigro-picea, nitida. Caput remote, distincte punctatum; palpis 



